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Low-Profile, Shoe-Type Ankle-Foot Orthosis with Active Variable Ankle Stiffness via Wire-Fabric Compression Mechanism. [PDF]
Biomimetics (Basel)Choe E +7 more
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Design and Analysis of a Variable Stiffness Mechanism
Volume 2: 34th Annual Mechanisms and Robotics Conference, Parts A and B, 2010 The design and analysis of a mechanism with variable stiffness is examined. The mechanism, which is a simple arrangement of two springs, a lever arm and a pivot bar, has an effective stiffness that is a rational function of the horizontal position d of the pivot. The external pure force acting on the system is constrained to always remain vertical. The
Olugbenga M. Anubi +2 more
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A Novel Passive Shoulder Exoskeleton Designed With Variable Stiffness Mechanism
IEEE Robotics and Automation Letters, 2022 With the population of the world getting older and the working period becoming more extended, exoskeletons can be helpful to prevent occupational injuries and provide assistance for physically exhausting works. In this letter, a novel compact passive exoskeleton able to assist the elderly and workers with overhead tasks is introduced.
Felix Balser +3 more
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Variable stiffness mechanism for human-friendly robots
Mechanism and Machine Theory, 2010zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Hyun Seok Yang +2 more
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A clutch mechanism for switching between position and stiffness control of a variable stiffness actuator [PDF]
2015 IEEE International Conference on Robotics and Automation (ICRA), 2015 Variable stiffness actuators (VSA) are fostered in robotics for their capability to address physical interaction with a physically adjustable compliance, being advantageous in terms of efficiency, safety and adaptability to unknown environments. Here we introduce the concept of a switching VSA (sVSA), in which a single actuator is used to control the ...
Marco Cempini +3 more
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Design of a Variable Stiffness Series Mechanism
2021 IEEE International Conference on Mechatronics and Automation (ICMA), 2021The elastic joint actuator with outstanding performance in safety, environmental adaptability and energy utilization, has a good application prospect. This paper presents a design of variable stiffness series elastic mechanism based on nonlinear stretching of a linear spring, by adjusting the initial position of the roller on the curved surface, the ...
Qiang Fu +5 more
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Analytical conditions for the design of variable stiffness mechanisms
2017 IEEE International Conference on Robotics and Automation (ICRA), 2017This paper introduces an analytical approach for the design of variable stiffness mechanisms. The basis of this approach is a general model — representing the potential energy function and the physical constraints — covering the design space of variable stiffness mechanisms.
Tze Hao Chong +2 more
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Design and Modeling of a novel Variable Stiffness mechanism
2018 IEEE International Conference on Robotics and Biomimetics (ROBIO), 2018This paper proposes a new structure of a soft part, which is able to actively regulate its stiffness. The soft part consists of two caps, zigzag inner tube and outer tube. These two tubes will mesh up after the inflation of inner tube. The action of this structure can change the property of cross-section, which results in the variable stiffness ...
Xing Fang, Guanjun Bao, Qinghua Yang
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Mechanics and stiffness limitations of a variable stiffness actuator for use in prosthetic limbs
Mechanism and Machine Theory, 1999zbMATH Open Web Interface contents unavailable due to conflicting licenses.
English, C. E., Russell, D.
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